Invasive Plants Currently Proposed for Management on the Mt. Baker-Snoqualmie National Forest (MBS NF)

Common Name* Scientific Name Absinth wormwood Artemisia absinthium Bird's-foot trefoil** Lotus corniculatus Black locust** Robinia pseudoacacia Bohemian knotweed Polygonum bohemicum Butterfly bush Buddleja davidii Canada thistle Cirsium arvense Common catsear Hypochaeris radicata (hairy cat’s ear) Common comfrey** Symphytum officinale Common hawkweed Hieracium lachenalii Common periwinkle** Vinca minor Common St. Johnswort Hypericum perforatum Common tansy Tanacetum vulgare Dalmatian toadflax Linaria dalmatica Diffuse knapweed Centaurea diffusa Elephant’s ear** Petasites japonicas Japanese butterbur var.gigantea Japanese sweet coltsfoot English holly** Ilex aquifolium English ivy Hedera helix Evergreen blackberry Rubus laciniatus (cutleaf blackberry) Field bindweed Convolvulus arvensis Giant hogweed Heracleum mantegazzianum Giant knotweed Polygonum sachalinense Hedge bindweed** Calystegia sepium (hedge false bindweed) (Convolvulus sepium) Herb Robert Geranium robertianum Himalayan blackberry Rubus armeniacus Japanese knotweed Polygonum cuspidatum Meadow knapweed Centaurea x moncktonii (Centaurea jacea x nigra) Orange hawkweed Hieracium aurantiacum Oxeye daisy Leucanthemum vulgare Policeman’s helmet Impatiens glandulifera Reed canarygrass Phalaris arundinaceae Rhubarb** Rheum rhabarbarum Scotch broom Cytisus scoparius Smooth hawkweed Hieracium laevigatum Spotted hawkweed Hieracium maculatum Spotted knapweed Centaurea stoebe Sulfur cinquefoil Potentilla recta Tansy ragwort Senecio jacobaea Wild carrot Daucus carota (Queen Anne’s lace) Woolly hedgenettle** Stachys byzantine Yellow archangel Lamiastrum galeobdolon Yellow flag iris Iris pseudacorus (pale yellow iris) Yellow hawkweed Hieracium caespitosum (meadow hawkweed)

*Common name used for species on Washington State Noxious Weed list **species not listed as Washington State Noxious Weed, but non-native and invasive on Mt. Baker Snoqualmie National Forest